i18n complete: all 16 components translated (CZ/HE/RU/UA)

- Custom i18n provider with React Context + localStorage
- Hebrew RTL support (dir=rtl on html)
- All pages + components use t() calls
- FullCalendar + dates locale-aware
- Language selector in Settings wired to context

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backup.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+BACKUP_DIR="/opt/task-team/backups"
+DATE=$(date +%Y%m%d_%H%M)
+PGDUMP="/usr/lib/postgresql/18/bin/pg_dump"
+mkdir -p $BACKUP_DIR
+
+# Dump all databases
+PGPASSWORD="TaskTeam2026!" $PGDUMP -h 10.10.10.10 -U taskteam -d taskteam -F c -f "$BACKUP_DIR/taskteam_$DATE.dump"
+
+if [ $? -eq 0 ]; then
+    # Compress
+    gzip -f "$BACKUP_DIR/taskteam_$DATE.dump" 2>/dev/null
+    echo "$(date '+%Y-%m-%d %H:%M:%S') OK: taskteam_$DATE.dump.gz"
+else
+    echo "$(date '+%Y-%m-%d %H:%M:%S') FAIL: pg_dump exited with error"
+fi
+
+# Keep last 7 daily backups
+find $BACKUP_DIR -name "*.dump.gz" -mtime +7 -delete
+find $BACKUP_DIR -name "*.dump" -mtime +7 -delete
+
+ls -lh $BACKUP_DIR/ | tail -5